322945312 has 12 divisors (see below), whose sum is σ = 635798646. Its totient is φ = 161472640.

The previous prime is 322945307. The next prime is 322945313. The reversal of 322945312 is 213549223.

It can be written as a sum of positive squares in only one way, i.e., 318122896 + 4822416 = 17836^2 + 2196^2 .

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (322945313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045989 + ... + 5046052.

Almost surely, 2^322945312 is an apocalyptic number.

322945312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322945312 is a deficient number, since it is larger than the sum of its proper divisors (312853334).

322945312 is a wasteful number, since it uses less digits than its factorization.

322945312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092051 (or 10092043 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 322945312 is about 17970.6792303463. The cubic root of 322945312 is about 686.0824783888.

The spelling of 322945312 in words is "three hundred twenty-two million, nine hundred forty-five thousand, three hundred twelve".